Dwayne Johnson is "The Tooth Fairy," also known as Derek Thompson, a hard-charging minor league hockey player whose nickname comes from his habit of separating opposing players from their bicuspids. When Derek discourages a youngster's hopes, he's sentenced to one week's hard labour as a real tooth fairy, complete with the requisite wings, magic wand. At first, Derek can't handle the tooth - bumbling and stumbling as he tries to secretly wing his way through strangers' home doing what tooth fairies do. But as Derek slowly adapts to his new position, he begins to rediscover his own forgotten dreams.